Mercurial > hg > xemacs-beta
comparison lisp/wid-edit.el @ 5366:f00192e1cd49
Examining the result of #'length: `eql', not `=', it's better style & cheaper
2011-03-08 Aidan Kehoe <kehoea@parhasard.net>
* buff-menu.el (list-buffers-noselect):
* byte-optimize.el (byte-optimize-identity):
* byte-optimize.el (byte-optimize-if):
* byte-optimize.el (byte-optimize-nth):
* byte-optimize.el (byte-optimize-nthcdr):
* bytecomp.el (byte-compile-warn-wrong-args):
* bytecomp.el (byte-compile-two-args-19->20):
* bytecomp.el (byte-compile-list):
* bytecomp.el (byte-compile-beginning-of-line):
* bytecomp.el (byte-compile-set):
* bytecomp.el (byte-compile-set-default):
* bytecomp.el (byte-compile-values):
* bytecomp.el (byte-compile-values-list):
* bytecomp.el (byte-compile-integerp):
* bytecomp.el (byte-compile-multiple-value-list-internal):
* bytecomp.el (byte-compile-throw):
* cl-macs.el (cl-do-arglist):
* cl-macs.el (cl-parse-loop-clause):
* cl-macs.el (multiple-value-bind):
* cl-macs.el (multiple-value-setq):
* cl-macs.el (get-setf-method):
* cmdloop.el (command-error):
* cmdloop.el (y-or-n-p-minibuf):
* cmdloop.el (yes-or-no-p-minibuf):
* coding.el (unencodable-char-position):
* cus-edit.el (custom-face-prompt):
* cus-edit.el (custom-buffer-create-internal):
* cus-edit.el (widget-face-action):
* cus-edit.el (custom-group-value-create):
* descr-text.el (describe-char-unicode-data):
* dialog-gtk.el (popup-builtin-question-dialog):
* dragdrop.el (experimental-dragdrop-drop-log-function):
* dragdrop.el (experimental-dragdrop-drop-mime-default):
* easymenu.el (easy-menu-add):
* easymenu.el (easy-menu-remove):
* faces.el (read-face-name):
* faces.el (set-face-stipple):
* files.el (file-name-non-special):
* font.el (font-combine-fonts):
* font.el (font-set-face-font):
* font.el (font-parse-rgb-components):
* font.el (font-rgb-color-p):
* font.el (font-color-rgb-components):
* gnuserv.el (gnuserv-edit-files):
* help.el (key-or-menu-binding):
* help.el (function-documentation-1):
* help.el (function-documentation):
* info.el (info):
* isearch-mode.el (isearch-exit):
* isearch-mode.el (isearch-edit-string):
* isearch-mode.el (isearch-*-char):
* isearch-mode.el (isearch-complete1):
* ldap.el (ldap-encode-country-string):
* ldap.el (ldap-decode-string):
* minibuf.el (read-file-name-internal-1):
* minibuf.el (read-non-nil-coding-system):
* minibuf.el (get-user-response):
* mouse.el (drag-window-divider):
* mule/ccl.el:
* mule/ccl.el (ccl-compile-if):
* mule/ccl.el (ccl-compile-break):
* mule/ccl.el (ccl-compile-repeat):
* mule/ccl.el (ccl-compile-write-repeat):
* mule/ccl.el (ccl-compile-call):
* mule/ccl.el (ccl-compile-end):
* mule/ccl.el (ccl-compile-read-multibyte-character):
* mule/ccl.el (ccl-compile-write-multibyte-character):
* mule/ccl.el (ccl-compile-translate-character):
* mule/ccl.el (ccl-compile-mule-to-unicode):
* mule/ccl.el (ccl-compile-unicode-to-mule):
* mule/ccl.el (ccl-compile-lookup-integer):
* mule/ccl.el (ccl-compile-lookup-character):
* mule/ccl.el (ccl-compile-map-multiple):
* mule/ccl.el (ccl-compile-map-single):
* mule/devan-util.el (devanagari-compose-to-one-glyph):
* mule/devan-util.el (devanagari-composition-component):
* mule/mule-cmds.el (finish-set-language-environment):
* mule/viet-util.el:
* mule/viet-util.el (viet-encode-viscii-char):
* multicast.el (open-multicast-group):
* newcomment.el (comment-quote-nested):
* newcomment.el (comment-region):
* newcomment.el (comment-dwim):
* regexp-opt.el (regexp-opt-group):
* replace.el (map-query-replace-regexp):
* specifier.el (derive-device-type-from-tag-set):
* subr.el (skip-chars-quote):
* test-harness.el (test-harness-from-buffer):
* test-harness.el (batch-test-emacs):
* wid-edit.el (widget-choice-action):
* wid-edit.el (widget-symbol-prompt-internal):
* wid-edit.el (widget-color-action):
* window-xemacs.el (push-window-configuration):
* window-xemacs.el (pop-window-configuration):
* window.el (quit-window):
* x-compose.el (electric-diacritic):
It's better style, and cheaper (often one assembler instruction
vs. a C funcall in the byte code), to use `eql' instead of `='
when it's clear what numerical type a given result will be. Change
much of our code to do this, with the help of a byte-compiler
change (not comitted) that looked for calls to #'length (which
always returns an integer) in its args.
author | Aidan Kehoe <kehoea@parhasard.net> |
---|---|
date | Tue, 08 Mar 2011 23:41:52 +0000 |
parents | e687f1912d5b |
children | ac37a5f7e5be |
comparison
equal
deleted
inserted
replaced
5365:dbae25a8949d | 5366:f00192e1cd49 |
---|---|
2485 (let* ((external (widget-value widget)) | 2485 (let* ((external (widget-value widget)) |
2486 (internal (widget-apply old :value-to-internal external))) | 2486 (internal (widget-apply old :value-to-internal external))) |
2487 (widget-put old :value internal))) | 2487 (widget-put old :value internal))) |
2488 ;; Find new choice. | 2488 ;; Find new choice. |
2489 (setq current | 2489 (setq current |
2490 (cond ((= (length args) 0) | 2490 (cond ((eql (length args) 0) |
2491 nil) | 2491 nil) |
2492 ((= (length args) 1) | 2492 ((eql (length args) 1) |
2493 (nth 0 args)) | 2493 (nth 0 args)) |
2494 ((and widget-choice-toggle | 2494 ((and widget-choice-toggle |
2495 (= (length args) 2) | 2495 (eql (length args) 2) |
2496 (memq old args)) | 2496 (memq old args)) |
2497 (if (eq old (nth 0 args)) | 2497 (if (eq old (nth 0 args)) |
2498 (nth 1 args) | 2498 (nth 1 args) |
2499 (nth 0 args))) | 2499 (nth 0 args))) |
2500 (t | 2500 (t |
3637 ;; Read file from minibuffer. | 3637 ;; Read file from minibuffer. |
3638 (let ((answer (completing-read (concat prompt ": ") obarray | 3638 (let ((answer (completing-read (concat prompt ": ") obarray |
3639 (widget-get widget :prompt-match) | 3639 (widget-get widget :prompt-match) |
3640 nil initial history))) | 3640 nil initial history))) |
3641 (if (and (stringp answer) | 3641 (if (and (stringp answer) |
3642 (not (zerop (length answer)))) | 3642 (not (eql (length answer) 0))) |
3643 answer | 3643 answer |
3644 (error "No value")))) | 3644 (error "No value")))) |
3645 | 3645 |
3646 (defvar widget-function-prompt-value-history nil | 3646 (defvar widget-function-prompt-value-history nil |
3647 "History of input to `widget-function-prompt-value'.") | 3647 "History of input to `widget-function-prompt-value'.") |
4029 | 4029 |
4030 (defun widget-color-action (widget &optional event) | 4030 (defun widget-color-action (widget &optional event) |
4031 "Prompt for a color." | 4031 "Prompt for a color." |
4032 (let* ((tag (widget-apply widget :menu-tag-get)) | 4032 (let* ((tag (widget-apply widget :menu-tag-get)) |
4033 (answer (read-color (concat tag ": ")))) | 4033 (answer (read-color (concat tag ": ")))) |
4034 (unless (zerop (length answer)) | 4034 (unless (eql (length answer) 0) |
4035 (widget-value-set widget answer) | 4035 (widget-value-set widget answer) |
4036 (widget-setup) | 4036 (widget-setup) |
4037 (widget-apply widget :notify widget event)))) | 4037 (widget-apply widget :notify widget event)))) |
4038 | 4038 |
4039 (defun widget-color-notify (widget child &optional event) | 4039 (defun widget-color-notify (widget child &optional event) |